<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title></title>
	<link rel="stylesheet" href="">
	<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
	<div id="root">
		{{content}}
	</div>

	<script>
		var app = new Vue({
			el: '#root',
			data: {
				content: 'Hello Vue'
			}
		})

		setTimeout(function() {
			app.$data.content = 'bye world'
		},2000)
	</script>
</body>
</html>